800112447971 has 4 divisors (see below), whose sum is σ = 800363979744. Its totient is φ = 799860916200.

The previous prime is 800112447961. The next prime is 800112448021. The reversal of 800112447971 is 179744211008.

800112447971 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-800112447971 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (800112447961) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 125761115 + ... + 125767476.

It is an arithmetic number, because the mean of its divisors is an integer number (200090994936).

Almost surely, 2^800112447971 is an apocalyptic number.

800112447971 is a deficient number, since it is larger than the sum of its proper divisors (251531773).

800112447971 is a wasteful number, since it uses less digits than its factorization.

800112447971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 251531772.

The product of its (nonzero) digits is 112896, while the sum is 44.

Adding to 800112447971 its reverse (179744211008), we get a palindrome (979856658979).

The spelling of 800112447971 in words is "eight hundred billion, one hundred twelve million, four hundred forty-seven thousand, nine hundred seventy-one".